Question

1. describe each of the various search patterns (when to use):

a. spiral – (also draw).
©2009, south-western, a part of cengage learning -4-

Explanation:

The spiral search pattern involves moving in a continuous, expanding (or contracting) circular path from a central point. It is used when the search area is small, the target is likely near a known central point (like a missing item's last seen location), or when you need to systematically cover an area without leaving gaps, especially in open, unobstructed spaces. The provided drawing illustrates the core shape of this pattern: a winding path that gets progressively farther from the center.

Answer:

Spiral Search Pattern:

• Use Case: Ideal for small, open, unobstructed areas; used when the target's approximate central starting point is known (e.g., searching for an item lost near a specific spot, or conducting a preliminary search of a small outdoor/indoor space). It efficiently covers the area by moving in a continuous, expanding spiral from a central origin, ensuring no small section is missed.
• Visual (as referenced): A winding, circular path that starts at a central point and expands outward in concentric, curved segments (matching the provided spiral drawing).